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2023-07-22 / TYC 6308-00266-1 / (63377) 2001 HL40

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jordi Marco O- CCD M235 ES NTP 23:26:12 23:29:49
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

1 observation found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#50 : d64165e0-ddb3-11f0-547e-64cfdfb27efa [db: observed]

Using prediction d64165e0-ddb3-11f0-547e-64cfdfb27efa for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : d64165e0-ddb3-11f0-547e-64cfdfb27efa [observed]

 Occultation Date + Time   : 2023-07-22 at 23:32:21 UT +/- 0.0 min  [1]
 Object Designation        : (63377) 2001 HL40
 Orbit Class               : MBA
 Star Designation          : GDR3 6771157676070176256
 Star Coordinates (ICRF)   : RA = 19 18 27.3405, DE = -22 14 35.202  [2]
 Star Magnitudes           : G = 11.84 mag, RP = 11.45 mag, BP = 12.09 mag
 Object Magnitude          : V = 18.45 mag
 Estimated Magnitude Drop  : 6.6 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 4.5 km  (src: astorb)
 Speed of the shadow       : 12.0 km/s
 Elongation to Moon & Sun  : 111° (sunlit = 23%), Sun = 168°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 0.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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